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  <div class="section" id="cdap">
<span id="admin-index"></span><h1>CDAP 管理手册<a class="headerlink" href="#cdap" title="Permalink to this headline">🔗</a></h1>
<p>Covers putting CDAP into production, with <strong>components, system requirements, deployment
architectures, Hadoop compatibility, installation, configuration, security setup, and
operations.</strong> Appendices describe the <strong>XML files</strong> used to configure the CDAP
installation and its security configuration.</p>
<ul class="simple">
<li><a class="reference external" href="cdap-components.html"><strong>CDAP Components</strong></a></li>
</ul>
<ul class="simple">
<li><a class="reference external" href="deployment-architectures.html"><strong>Deployment Architectures:</strong></a> <strong>Minimal</strong> and <strong>high availability, highly scalable</strong> deployments.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="hadoop-compatibility.html"><strong>Hadoop Compatibility:</strong></a> The <strong>Hadoop/HBase environment</strong> that CDAP requires.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="cdap-hadoop-compatibility.html"><strong>CDAP and Hadoop Compatibility:</strong></a> The different versions of CDAP and the Hadoop distributions they work with.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="system-requirements.html"><strong>System Requirements:</strong></a> Hardware, memory, core, and network <strong>requirements</strong>, software
<strong>prerequisites</strong>, and using CDAP with <strong>firewalls</strong>.</li>
</ul>
<ul>
<li><p class="first"><a class="reference external" href="installation/index.html"><strong>Installation:</strong></a> Installation and configuration instructions for either <strong>specific
distributions</strong> using a distribution manager or <strong>generic Apache Hadoop</strong> clusters using
RPM or Debian Package Managers:</p>
<blockquote>
<div><ul class="simple">
<li><a class="reference external" href="installation/cloudera.html"><strong>Cloudera Manager:</strong></a> Installing on <a class="reference external" href="http://www.cloudera.com/">CDH (Cloudera Distribution of Apache Hadoop)</a>
clusters managed with <a class="reference external" href="http://www.cloudera.com/content/cloudera/en/products-and-services/cloudera-enterprise/cloudera-manager.html">Cloudera Manager</a>.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="installation/emr.html"><strong>Amazon Hadoop (EMR):</strong></a> Installing on <a class="reference external" href="https://aws.amazon.com/emr/">Amazon EMR (Elastic MapReduce)</a>.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="installation/ambari.html"><strong>Apache Ambari:</strong></a> Installing on <a class="reference external" href="http://hortonworks.com/">HDP (Hortonworks Data Platform)</a> clusters managed with <a class="reference external" href="https://ambari.apache.org/">Apache Ambari</a>.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="installation/mapr.html"><strong>MapR:</strong></a> Installing on the <a class="reference external" href="https://www.mapr.com">MapR Converged Data Platform</a>.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="installation/azure-hdinsight.html"><strong>Microsoft Azure HDInsight:</strong></a> Installing on <a class="reference external" href="https://azure.microsoft.com/en-us/services/hdinsight/">Microsoft Azure HDInsight</a> clusters.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="installation/packages.html"><strong>Manual Installation using Packages</strong></a> Installing on generic Apache Hadoop clusters, CDH (Cloudera
Distribution of Apache Hadoop) clusters <em>not managed</em> with Cloudera Manager, or HDP
(Hortonworks Data Platform) clusters <em>not managed</em> with Apache Ambari</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="installation/replication.html"><strong>Replication</strong></a> Covers the replication of CDAP clusters from a master to one or more slave clusters</li>
</ul>
</div></blockquote>
</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="verification.html"><strong>Verification:</strong></a> How to verify the CDAP installation on your Hadoop cluster by using an
<strong>example application</strong> and <strong>health checks</strong>.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="incompatibilities.html"><strong>Incompatibilities with 5.x clusters:</strong></a> What are various incompatibilities with 5.x clusters.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="upgrading/index.html"><strong>Upgrading:</strong></a> Instructions for upgrading both CDAP and its underlying Hadoop distribution.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="security/index.html"><strong>Security:</strong></a> CDAP supports securing clusters using a <strong>perimeter security</strong>,
<strong>authorization</strong>, <strong>impersonation</strong>, <strong>SSL for system services</strong>, and <strong>secure storage</strong>.
This section describes enabling, configuring, and testing security. It also provides
example configuration files.</li>
</ul>
<ul>
<li><p class="first"><a class="reference external" href="operations/index.html"><strong>Operations:</strong></a></p>
<blockquote>
<div><ul class="simple">
<li><a class="reference external" href="operations/logging.html"><strong>Logging and Monitoring:</strong></a> CDAP collects <strong>logs</strong> for all of its internal services and user
applications; at the same time, CDAP can be <strong>monitored through external systems</strong>.
Covers <strong>log location</strong>, <strong>logging messages</strong>, the <strong>system services and user
application logback configuration</strong> and <strong>CDAP support for logging</strong> through the
standard <a class="reference external" href="http://www.slf4j.org/manual.html">SLF4J (Simple Logging Facade for Java)</a> APIs and <a class="reference external" href="https://logback.qos.ch/manual">Logback</a>.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="operations/metrics.html"><strong>Metrics:</strong></a> CDAP collects <strong>metrics about the application’s behavior and performance</strong>.</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="operations/preferences.html"><strong>Preferences and Runtime Arguments:</strong></a> MapReduce and Spark programs, services, workers, and workflows can receive <strong>runtime arguments.</strong></li>
</ul>
<ul class="simple">
<li><a class="reference external" href="operations/scaling-instances.html"><strong>Scaling Instances:</strong></a> Covers <strong>querying and setting the number of instances of services and workers.</strong></li>
</ul>
<ul class="simple">
<li><a class="reference external" href="operations/resource-guarantees.html"><strong>Resource Guarantees:</strong></a> Providing resource guarantees <strong>for CDAP programs in YARN.</strong></li>
</ul>
<ul class="simple">
<li><a class="reference external" href="operations/tx-maintenance.html"><strong>Transaction Service Maintenance:</strong></a> Periodic maintenance of the <strong>Transaction Service.</strong></li>
</ul>
<ul class="simple">
<li><a class="reference external" href="operations/cdap-ui.html"><strong>CDAP UI:</strong></a> The CDAP UI is available for <strong>deploying, querying, and managing CDAP.</strong></li>
</ul>
</div></blockquote>
</li>
</ul>
<ul class="simple">
<li><a class="reference external" href="appendices/index.html"><strong>Appendices:</strong></a><ul>
<li><a class="reference internal" href="appendices/minimal-cdap-site.html#appendix-minimal-cdap-site-xml"><span class="std std-ref">Appendix: Minimal cdap-site.xml</span></a>: Minimal required configuration for a CDAP installation</li>
<li><a class="reference internal" href="appendices/cdap-site.html#appendix-cdap-site-xml"><span class="std std-ref">Appendix: cdap-site.xml</span></a>: Default properties for a CDAP installation</li>
<li><a class="reference internal" href="appendices/cdap-security.html#appendix-cdap-security-xml"><span class="std std-ref">Appendix: cdap-security.xml</span></a>: Default security properties for a CDAP installation</li>
<li><a class="reference internal" href="appendices/hbase-ddl-executor.html#appendix-hbase-ddl-executor"><span class="std std-ref">Appendix: HBaseDDLExecutor</span></a>: Example implementation and description for replication</li>
</ul>
</li>
</ul>
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